OT-2026-000029919
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000029919) never changes.
Identity and time
| Publication number | OT-2026-000029919 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-70e0-9965-7efd9fb12f98 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029919 |
| Status | PUBLIC |
Content hashes
| Canonical text | c476a6513ac3cc9b919ca0d628a7946a21820567006a045b5be33c8f74edb03b |
|---|---|
| Markdown | ba97541d5ba8bde7185eda0317ff3a548452182c1af692380bde19aaf96694e8 |
| Publication page | 9b9362e9c831fd6cc40e596ee6ce30dd19a214edf390d105b4d1912c7e91610b |
| Manifest | 6be00221662e8ea0308cf6c582c7ba4ab131641d121be4c9e109d38e7eb267cc |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | FOIAJhS4hniwJwgEPc0XXpD5VZ4vs6Ojkd4zK+n17lXm0uyy3fWnDAGEsk5PbvijzJaIDFIE4hIB6S5lVYOMDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:38:37.578898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029919observed 9b9362e9c831fd6cc40e596ee6ce30dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:37.562293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029919/manifest.jsonobserved 6be00221662e8ea0308cf6c582c7ba4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:37.544162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029919/publication.mdobserved ba97541d5ba8bde7185eda0317ff3a54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:37.527843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029919/publication.txtobserved c476a6513ac3cc9b919ca0d628a7946a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|